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Giant Swallowtail
Papilio cresphontes
Papilionidae

Copyright by: Beryn Harty, 2017

Description:
Large butterfly with a wingspan up to 6-1/4 inches. Females are slightly larger than males. The wings are dark brown or black. The forewing has a diagonal band of yellow spots; the hindwing has a band of yellow spots, a small orange-capped black spot, and a spatula-shaped tail with a teardrop-shaped yellow spot. The underside of the hindwing is yellow with a blue central band and a small brick-red patch. The abdomen is yellow with a dark brown stripe. The caterpillar has a shiny surface and resembles a bird dropping; it is olive-brown with a dark brown head, scattered small blue spots and three cream-colored patches down the side. The central patch is yellowish and saddle-shaped. The osmeterium is bright red. Giant swallowtail caterpillars are sometimes called "orange dogs" because they can defoliate citrus trees.
Range:
Widespread in North America; also parts of Central and South America.
 Map of native range by ZIP code north to Indian River and Manatee counties.
Distribution and Abundance in Florida:
Adults common February-November in most of Florida; all year in South Florida.
Habitat(s):
Hammocks, pinelands, citrus groves and gardens.
Reproduction:
Three or more broods per year. The spherical orange eggs are laid singly on the upper surfaces of the young leaves and twigs of the host plants. They may have an irregular coating of an orange-colored secretion.
Natural History:
Giant swallowtails are strong, leisurely fliers that can glide long distances between wingbeats. Adults rest with their wings open.
Food:
Caterpillars feed on the leaves of host plants. Larval host plants include the native Biscayne prickly-ash (Zanthoxylum coriaceum), hop tree (Ptelea trifoliata, Hercules club (Zanthoxylum clava-herculis), and wild lime (Zanthoxylum fagara), as well as nonnative cultivated citrus (Citrus sp.). Nectar plants include a wide variety of native and nonnative species.
Comments:
For more information, visit the Florida Museum of Natural History's Florida Wildflowers & Butterflies website, the University of Florida/IFAS Featured Creatures website, and Butterflies and Moths of North America.

Copyright by: Beryn Harty, 2017

Copyright by: Beryn Harty, 2017

Copyright by: Gerald Green
Recently emerged adult

Copyright by: Beryn Harty, 2011
Eggs

Copyright by: Erin Backus
Caterpillar on Zanthoxylum fagara

Copyright by: Erin Backus
Caterpillar with osmeterium on Zanthoxylum fagara

Copyright by: Gerald Green
Pupa

Copyright by: Erin Backus
Caterpillar on Zanthoxylum flavum

Copyright by: Beryn Harty, 2013
Caterpillars

Copyright by: Beryn Harty, 2013

Copyright by: Erin Backus

Copyright by: Erin Backus
Caterpillar on Zanthoxylum fagara

Copyright by: Erin Backus
Caterpillar on Zanthoxylum fagara

Copyright by: Erin Backus
Egg on Zanthoxylum fagara



 
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